Home / 288,719,083.67-433,104,074.87-81,459,309.83

Finding the Fourth Proportional to 288,719,083.67, 433,104,074.87 and 81,459,309.83

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Solution

The fourth proportional to 288,719,083.67, 433,104,074.87 and 81,459,309.83 is: 122,196,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,719,083.67 : 433,104,074.87 = 81,459,309.83 : x
  2. Step 2: Convert to fraction form
    288,719,083.67/433,104,074.87 = 81,459,309.83/x
  3. Step 3: Cross multiply
    288,719,083.67x = 433,104,074.87 × 81,459,309.83
  4. Step 4: Simplify right side
    288,719,083.67x = 35,280,359,020,898,032
  5. Step 5: Solve for x
    x = 35,280,359,020,898,032/288,719,083.67
  6. Step 6: Final answer
    x = 122,196,145.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.